Coastal Waters Forecast for Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out (GMZ075) (Text-Only)
NWS Forecast for: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out (GMZ075)
Issued by: National Weather Service Key West, FL
Last Update: 423 AM EDT Wed Sep 10 2025


Today: South to southwest winds 5 to 10 knots, becoming variable late. Seas 1 to 2 feet. Seas highest off of the upper keys due to a north swell. Wave detail: southeast to south 1 foot at 3 seconds and west 1 foot at 5 seconds. Scattered showers and thunderstorms.

Tonight: Variable winds 5 to 10 knots, becoming east to southeast after midnight. Seas 1 to 2 feet. Seas highest off of the upper keys due to a north swell. Wave detail: east 1 foot at 2 seconds and west 1 foot at 4 seconds. Scattered showers and thunderstorms.

Thursday: Variable winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east to southeast 1 foot at 3 seconds and northeast 1 foot at 8 seconds. Scattered showers and thunderstorms.

Thursday Night: Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Scattered showers and thunderstorms.

Friday: Variable winds near 5 knots. Seas 1 to 2 feet. scattered showers and thunderstorms.

Friday Night: Winds becoming north to northeast 5 to 10 knots. seas 1 to 2 feet. Numerous showers and scattered thunderstorms.

Saturday And Saturday Night: North to northeast winds 5 to 10 knots. Seas 1 to 2 feet. Numerous showers and scattered thunderstorms.

Sunday And Sunday Night: Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Scattered showers and thunderstorms.







Zone Forecast: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out (GMZ075)

Visit your local NWS office at: https://www.weather.gov/key